[ 38.982565] ------------[ cut here ]------------ [ 38.983480] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.985534] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.987004] Modules linked in: [ 38.987586] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.989864] Tainted: [W]=WARN [ 38.990432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.991954] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.992865] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 38.996051] RSP: 0018:ffff888019917bc0 EFLAGS: 00010286 [ 38.997044] RAX: 0000000000000000 RBX: ffffed1003322f78 RCX: ffffffff813a4050 [ 38.998332] RDX: ffff888016710000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.999646] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003322f2f [ 39.000935] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.002229] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888019917df8 [ 39.003508] FS: 00007f0b403c5900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.004937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.006009] CR2: 00007f0b408b7580 CR3: 0000000009dcd000 CR4: 0000000000350ef0 [ 39.007305] Call Trace: [ 39.007813] [ 39.008225] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.009125] ? __create_object+0x59/0x80 [ 39.009909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.010906] __vmalloc_noprof+0x59/0x60 [ 39.011669] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.012515] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.013465] bpf_prog_alloc+0x39/0x200 [ 39.014384] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.015330] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.016251] do_seccomp+0x349/0x25e0 [ 39.016993] ? __pfx_css_rstat_updated+0x10/0x10 [ 39.017897] ? __pfx_do_seccomp+0x10/0x10 [ 39.018726] ? find_held_lock+0x2b/0x80 [ 39.019448] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.020411] ? static_key_count+0x60/0x80 [ 39.021223] prctl_set_seccomp+0x4e/0x70 [ 39.022002] __do_sys_prctl+0xe6c/0x1d70 [ 39.022786] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.023601] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.024587] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.025559] ? irqentry_exit+0xf3/0x650 [ 39.026353] do_syscall_64+0xbf/0x430 [ 39.027113] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.028083] RIP: 0033:0x7f0b408b75cd [ 39.028795] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.031989] RSP: 002b:00007ffe381b2280 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.033369] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0b408b75cd [ 39.034686] RDX: 000055688f876e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.035999] RBP: 00007ffe381b22e0 R08: 0000000000000000 R09: 00007ffe381b1980 [ 39.037280] R10: 0000000000000000 R11: 0000000000000246 R12: 000055689e9ebad0 [ 39.038567] R13: 00007ffe381b2710 R14: 000055689e9ecbc0 R15: 000055689e9fd780 [ 39.039886] [ 39.040311] irq event stamp: 1803 [ 39.040963] hardirqs last enabled at (1813): [] __up_console_sem+0x78/0x80 [ 39.042502] hardirqs last disabled at (1822): [] __up_console_sem+0x5d/0x80 [ 39.044009] softirqs last enabled at (1726): [] handle_softirqs+0x50c/0x770 [ 39.045559] softirqs last disabled at (1721): [] __irq_exit_rcu+0xc4/0x100 [ 39.046965] ---[ end trace 0000000000000000 ]--- Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 41.749912] ------------[ cut here ]------------ [ 41.750822] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.752796] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 41.754409] Modules linked in: [ 41.755093] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.756983] Tainted: [W]=WARN [ 41.757502] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.758905] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.759793] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 41.762830] RSP: 0018:ffff888015857bc0 EFLAGS: 00010286 [ 41.763767] RAX: 0000000000000000 RBX: ffffed1002b0af78 RCX: ffffffff813a4050 [ 41.765001] RDX: ffff888015c51bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.766244] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002b0af2f [ 41.767451] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.768666] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888015857df8 [ 41.769887] FS: 00007f725b989900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.771358] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.772386] CR2: 00007ffe70ec3ef8 CR3: 000000001fec1000 CR4: 0000000000350ef0 [ 41.773613] Call Trace: [ 41.774118] [ 41.774505] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.775373] ? __create_object+0x59/0x80 [ 41.776129] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.777068] __vmalloc_noprof+0x59/0x60 [ 41.777791] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.778588] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.779497] bpf_prog_alloc+0x39/0x200 [ 41.780203] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.781086] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.781951] do_seccomp+0x349/0x25e0 [ 41.782616] ? find_held_lock+0x2b/0x80 [ 41.783364] ? do_prlimit+0x310/0x610 [ 41.784084] ? __pfx_do_seccomp+0x10/0x10 [ 41.784834] ? do_raw_spin_unlock+0x53/0x220 [ 41.785592] ? _raw_spin_unlock+0x1e/0x40 [ 41.786388] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.787307] ? static_key_count+0x60/0x80 [ 41.788080] prctl_set_seccomp+0x4e/0x70 [ 41.788824] __do_sys_prctl+0xe6c/0x1d70 [ 41.789531] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.790360] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.791283] ? irqentry_exit+0xf3/0x650 [ 41.792019] do_syscall_64+0xbf/0x430 [ 41.792742] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.793602] RIP: 0033:0x7f725be7b5cd [ 41.794282] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 41.797309] RSP: 002b:00007ffe70ec2ab0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.798618] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f725be7b5cd [ 41.799881] RDX: 0000558da25cee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.801102] RBP: 00007ffe70ec2b10 R08: 0000000000000000 R09: 00007ffe70ec21b0 [ 41.802374] R10: 0000000000000000 R11: 0000000000000246 R12: 0000558db65f8b10 [ 41.803589] R13: 00007ffe70ec2f40 R14: 0000558db65f92b0 R15: 0000558db660d6f0 [ 41.804833] [ 41.805236] irq event stamp: 1793 [ 41.805853] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 41.807310] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 41.808763] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 41.810239] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 41.811687] ---[ end trace 0000000000000000 ]--- [ 42.485960] ------------[ cut here ]------------ [ 42.486899] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.489173] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 42.490656] Modules linked in: [ 42.491380] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.493585] Tainted: [W]=WARN [ 42.494278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.495740] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.496605] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.500018] RSP: 0018:ffff88801ae1fbc0 EFLAGS: 00010286 [ 42.501007] RAX: 0000000000000000 RBX: ffffed10035c3f78 RCX: ffffffff813a4050 [ 42.502322] RDX: ffff888013af9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.503613] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10035c3f2f [ 42.504898] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.506159] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801ae1fdf8 [ 42.507417] FS: 00007f097147a900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.508852] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.509889] CR2: 00007fff1aa3cef8 CR3: 000000000e0a6000 CR4: 0000000000350ef0 [ 42.511108] Call Trace: [ 42.511401] [ 42.511681] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.512219] ? __create_object+0x59/0x80 [ 42.512706] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.513291] __vmalloc_noprof+0x59/0x60 [ 42.513760] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.514301] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.514881] bpf_prog_alloc+0x39/0x200 [ 42.515267] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.515758] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.516216] do_seccomp+0x349/0x25e0 [ 42.516572] ? find_held_lock+0x2b/0x80 [ 42.516993] ? do_prlimit+0x310/0x610 [ 42.517368] ? __pfx_do_seccomp+0x10/0x10 [ 42.517798] ? do_raw_spin_unlock+0x53/0x220 [ 42.518231] ? _raw_spin_unlock+0x1e/0x40 [ 42.518645] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.519141] ? static_key_count+0x60/0x80 [ 42.519542] prctl_set_seccomp+0x4e/0x70 [ 42.519952] __do_sys_prctl+0xe6c/0x1d70 [ 42.520346] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.520807] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.521306] ? irqentry_exit+0xf3/0x650 [ 42.521722] do_syscall_64+0xbf/0x430 [ 42.522110] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.522592] RIP: 0033:0x7f097196c5cd [ 42.522971] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.524674] RSP: 002b:00007fff1aa3add0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.525376] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f097196c5cd [ 42.526067] RDX: 00005576c4523e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.526753] RBP: 00007fff1aa3ae30 R08: 0000000000000000 R09: 00007fff1aa3a4d0 [ 42.527413] R10: 0000000000000000 R11: 0000000000000246 R12: 00005576fb148b10 [ 42.528093] R13: 00007fff1aa3b260 R14: 00005576fb1492b0 R15: 00005576fb15d6f0 [ 42.528785] [ 42.529009] irq event stamp: 1745 [ 42.529333] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 42.530155] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 42.530970] softirqs last enabled at (1538): [] handle_softirqs+0x50c/0x770 [ 42.531799] softirqs last disabled at (1531): [] __irq_exit_rcu+0xc4/0x100 [ 42.532584] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:51224' (ECDSA) to the list of known hosts. 2025/11/17 18:24:33 fuzzer started 2025/11/17 18:24:33 dialing manager at localhost:37895 2025/11/17 18:24:33 checking machine... 2025/11/17 18:24:33 checking revisions... [ 43.457134] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:24:33 testing simple program... [ 43.535212] cgroup: Unknown subsys name 'net' [ 43.591204] cgroup: Unknown subsys name 'cpuset' [ 43.613335] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 18:24:32 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=1ffff1100d9c11d0 RCX=ffffffff8167c28c RDX=ffff888017123780 RSI=0000000000000002 RDI=00000000ffffffff RBP=ffff88806ce28f60 RSP=ffff88806ce08e78 R8 =0000000000000000 R9 =ffffed10012af771 R10=0000000000000002 R11=0000000000000001 R12=0000000000000002 R13=ffff88806ce28fa8 R14=ffff88800957bb88 R15=0000000000000001 RIP=ffffffff81751734 RFL=00000246 [---Z-P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f725b989900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe3b00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f725b958008 CR3=000000001fe2d000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=00000000000000000000000000000000 XMM01=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffff888009643780 RBX=ffff88806cf08b08 RCX=ffffffff8136096e RDX=0000000000000001 RSI=0000000000000000 RDI=ffff88806cf08a70 RBP=ffff888009643780 RSP=ffff88806cf08a00 R8 =0000000000000000 R9 =0000000000000000 R10=ffffed10019c9400 R11=0000000000000001 R12=0000000000000070 R13=0000000000000000 R14=ffff888009643780 R15=ffff88806cf08a70 RIP=ffffffff81b2dea9 RFL=00000282 [--S----] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f725bf40618 CR3=0000000009e31000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=34323a383120373120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3134325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320343834 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000